Butte

Sunrise and sunset in Butte

Today’s sunrise, sunset and twilight in Butte, in local time. At 46° N, the day lasts from 8 h 38 min at the winter solstice to 15 h 45 min at the summer solstice.

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Today · worked out at

Thursday, October 22: sunrise at 07:56, sunset at 18:31.

Day length 10 h 35 min, 3 min 4 s shorter than yesterday.

Solar noon at 13:14, with the Sun 33° above the horizon.

Times are Butte time (MDT).

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Twilight and golden hour today

TodayMorningEvening
Astronomical twilight06:1620:11
Nautical twilight06:5119:36
Civil twilight07:2619:02
Sunrise and sunset07:5618:31
Golden hour07:56–08:3817:49–18:31

Each twilight begins at the morning time and ends at the evening one.

The year in Butte

  • Longest day: June 21, 15 h 45 min, from sunrise at 05:39 to sunset at 21:24.
  • Shortest day: December 21, 8 h 38 min, from sunrise at 08:09 to sunset at 16:47.

Sunrise and sunset on the 21st of each month, 2026

DateSunriseSunsetDay length
January 2108:0317:199 h 16 min
February 2107:2218:0510 h 43 min
March 2107:3019:4412 h 13 min
April 2106:3320:2513 h 52 min
May 2105:5121:0215 h 11 min
June 2105:3921:2415 h 45 min
July 2106:0021:1215 h 12 min
August 2106:3720:2813 h 51 min
September 2107:1619:2912 h 13 min
October 2107:5518:3310 h 38 min
November 2107:3916:529 h 14 min
December 2108:0916:478 h 38 min

Good to know

  • Sunrise and sunset are when the top of the Sun meets a level horizon, allowing for the usual bending of light by the air. Hills, buildings and height shift what you see by a few minutes.
  • Civil, nautical and astronomical twilight end when the Sun is 6°, 12° and 18° below the horizon. Golden hour here is the photographers’ usual definition: the Sun less than 6° above it.
  • Worked out when the page loads from NOAA’s solar equations, for 46° N, 112.5° W, and accurate to about a minute.

How the layers work, where their data comes from and what they can’t tell you: Day and night, live, The Sun, Moon and planets

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